Looking for the best biotin supplement? We reviewed nine RD-approved options that support hair, skin, and nails. See our top picks and expert-backed recommendations.

Biotin benefits include keeping your hair, skin, nails, and metabolism healthy. However, biotin won't benefit your hair unless you have a deficiency or an underlying condition. You should aim to ...

Biotin deficiency can cause thinning hair and total loss of body hair. Pregnant people may need more biotin than current recommendations suggest. Consuming raw egg whites can prevent biotin absorption ...